dime

dime · noun¹

1. Latin · derived fromdecima“tenth (part)”
2. Medieval Latin · derived fromdecima
3. Anglo-Norman · derived fromdisme“one tenth, tithe”
4. Middle English · inherited fromdime
5. English todaydime

From Middle English dime, from Anglo-Norman disme (“one tenth, tithe”) (modern French dîme), from Medieval Latin decima, from Latin decima (pars) (“tenth (part)”). Doublet of decim, decima, and decime.

dime · verb²

From the use of the coin in a payphone to report a crime to the police. US payphones charged 10¢ in almost all jurisdictions until the late 1970s.